2013-2017 Arctic Cat 500 Automatic Regulator Rectifier

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Re-Designed and Improved Arctic Cat 500 Automatic Regulator Rectifier has a higher output capacity than the original part. Designed to stop overcharging and dissipate extra voltage quickly with 8% better Performance than the original part. This new RR can handle up to 50 AMPS and runs cooler due to MOSFET grounding circuit! It has a harness that plugs right into the factory harness. OE #s : 21066-0717, 21066-0732, 21066-0712, 21066-0705, 31600-HN2-013, 0824-037, 21066-0033, 4XY-81960-00-00, 32800-42F00, 32800-38F10, 21066-3718, 21066-3717, 21066-0030, 21066-1127, 31600-HN2-003, 0824-020 Factory Marking: SH678A-12 42F00 Show more